Ultrasonic cleaning machine



FIG. 1 is a front elevational view of an ultrasonic cleaning machine;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is a bottom perspective view thereof.

The broken lines in the drawing depict the boundary of the claim. It is understood that the claim extends to the boundary but that the boundary forms no part of the claim. 

CLAIM The ornamental design for an ultrasonic cleaning machine, as shown and described. 